Home / 14,432.52-19,916.86-8,144.76

Finding the Fourth Proportional to 14,432.52, 19,916.86 and 8,144.76

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Solution

The fourth proportional to 14,432.52, 19,916.86 and 8,144.76 is: 11,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.52 : 19,916.86 = 8,144.76 : x
  2. Step 2: Convert to fraction form
    14,432.52/19,916.86 = 8,144.76/x
  3. Step 3: Cross multiply
    14,432.52x = 19,916.86 × 8,144.76
  4. Step 4: Simplify right side
    14,432.52x = 162,218,044.65
  5. Step 5: Solve for x
    x = 162,218,044.65/14,432.52
  6. Step 6: Final answer
    x = 11,239.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.